81216450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 278553600

約数和(自身を除く): 197337150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 23, 25, 30, 35, 38, 42, 45, 46, 50, 57, 59, 63, 69, 70, 75, 90, 95, 105, 114, 115, 118, 126, 133, 138, 150, 161, 171, 175, 177, 190, 207, 210, 225, 230, 266, 285, 295, 315, 322, 342, 345, 350, 354, 399, 413, 414, 437, 450, 475, 483, 525, 531, 570, 575, 590, 630, 665, 690, 798, 805, 826, 855, 874, 885, 950, 966, 1035, 1050, 1062, 1121, 1150, 1197, 1239, 1311, 1330, 1357, 1425, 1449, 1475, 1575, 1610, 1710, 1725, 1770, 1995, 2065, 2070, 2185, 2242, 2394, 2415, 2478, 2622, 2655, 2714, 2850, 2898, 2950, 3059, 3150, 3325, 3363, 3450, 3717, 3933, 3990, 4025, 4071, 4130, 4275, 4370, 4425, 4830, 5175, 5310, 5605, 5985, 6118, 6195, 6555, 6650, 6726, 6785, 7245, 7434, 7847, 7866, 8050, 8142, 8550, 8850, 9177, 9499, 9975, 10089, 10325, 10350, 10925, 11210, 11970, 12075, 12213, 12390, 13110, 13275, 13570, 14490, 15295, 15694, 16815, 18354, 18585, 18998, 19665, 19950, 20178, 20355, 20650, 21850, 23541, 24150, 24426, 25783, 26550, 27531, 28025, 28497, 29925, 30590, 30975, 32775, 33630, 33925, 36225, 37170, 39235, 39330, 40710, 45885, 47082, 47495, 50445, 51566, 55062, 56050, 56994, 59850, 61065, 61950, 65550, 67850, 70623, 72450, 76475, 77349, 78470, 84075, 85491, 91770, 92925, 94990, 98325, 100890, 101775, 117705, 122130, 128915, 137655, 141246, 142485, 152950, 154698, 168150, 170982, 180481, 185850, 196175, 196650, 203550, 229425, 232047, 235410, 237475, 252225, 257830, 275310, 284970, 305325, 353115, 360962, 386745, 392350, 427455, 458850, 464094, 474950, 504450, 541443, 588525, 610650, 644575, 688275, 706230, 712425, 773490, 854910, 902405, 1082886, 1160235, 1177050, 1289150, 1376550, 1424850, 1624329, 1765575, 1804810, 1933725, 2137275, 2320470, 2707215, 3248658, 3531150, 3867450, 4274550, 4512025, 5414430, 5801175, 8121645, 9024050, 11602350, 13536075, 16243290, 27072150, 40608225, 81216450]

約数ペア:

[(1, 81216450), (2, 40608225), (3, 27072150), (5, 16243290), (6, 13536075), (7, 11602350), (9, 9024050), (10, 8121645), (14, 5801175), (15, 5414430), (18, 4512025), (19, 4274550), (21, 3867450), (23, 3531150), (25, 3248658), (30, 2707215), (35, 2320470), (38, 2137275), (42, 1933725), (45, 1804810), (46, 1765575), (50, 1624329), (57, 1424850), (59, 1376550), (63, 1289150), (69, 1177050), (70, 1160235), (75, 1082886), (90, 902405), (95, 854910), (105, 773490), (114, 712425), (115, 706230), (118, 688275), (126, 644575), (133, 610650), (138, 588525), (150, 541443), (161, 504450), (171, 474950), (175, 464094), (177, 458850), (190, 427455), (207, 392350), (210, 386745), (225, 360962), (230, 353115), (266, 305325), (285, 284970), (295, 275310), (315, 257830), (322, 252225), (342, 237475), (345, 235410), (350, 232047), (354, 229425), (399, 203550), (413, 196650), (414, 196175), (437, 185850), (450, 180481), (475, 170982), (483, 168150), (525, 154698), (531, 152950), (570, 142485), (575, 141246), (590, 137655), (630, 128915), (665, 122130), (690, 117705), (798, 101775), (805, 100890), (826, 98325), (855, 94990), (874, 92925), (885, 91770), (950, 85491), (966, 84075), (1035, 78470), (1050, 77349), (1062, 76475), (1121, 72450), (1150, 70623), (1197, 67850), (1239, 65550), (1311, 61950), (1330, 61065), (1357, 59850), (1425, 56994), (1449, 56050), (1475, 55062), (1575, 51566), (1610, 50445), (1710, 47495), (1725, 47082), (1770, 45885), (1995, 40710), (2065, 39330), (2070, 39235), (2185, 37170), (2242, 36225), (2394, 33925), (2415, 33630), (2478, 32775), (2622, 30975), (2655, 30590), (2714, 29925), (2850, 28497), (2898, 28025), (2950, 27531), (3059, 26550), (3150, 25783), (3325, 24426), (3363, 24150), (3450, 23541), (3717, 21850), (3933, 20650), (3990, 20355), (4025, 20178), (4071, 19950), (4130, 19665), (4275, 18998), (4370, 18585), (4425, 18354), (4830, 16815), (5175, 15694), (5310, 15295), (5605, 14490), (5985, 13570), (6118, 13275), (6195, 13110), (6555, 12390), (6650, 12213), (6726, 12075), (6785, 11970), (7245, 11210), (7434, 10925), (7847, 10350), (7866, 10325), (8050, 10089), (8142, 9975), (8550, 9499), (8850, 9177)]