81101880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201944520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 71, 72, 76, 90, 95, 114, 120, 142, 152, 167, 171, 180, 190, 213, 228, 284, 285, 334, 342, 355, 360, 380, 426, 456, 501, 568, 570, 639, 668, 684, 710, 760, 835, 852, 855, 1002, 1065, 1140, 1278, 1336, 1349, 1368, 1420, 1503, 1670, 1704, 1710, 2004, 2130, 2280, 2505, 2556, 2698, 2840, 3006, 3173, 3195, 3340, 3420, 4008, 4047, 4260, 5010, 5112, 5396, 6012, 6346, 6390, 6680, 6745, 6840, 7515, 8094, 8520, 9519, 10020, 10792, 11857, 12024, 12141, 12692, 12780, 13490, 15030, 15865, 16188, 19038, 20040, 20235, 23714, 24282, 25384, 25560, 26980, 28557, 30060, 31730, 32376, 35571, 38076, 40470, 47428, 47595, 48564, 53960, 57114, 59285, 60120, 60705, 63460, 71142, 76152, 80940, 94856, 95190, 97128, 106713, 114228, 118570, 121410, 126920, 142284, 142785, 161880, 177855, 190380, 213426, 225283, 228456, 237140, 242820, 284568, 285570, 355710, 380760, 426852, 450566, 474280, 485640, 533565, 571140, 675849, 711420, 853704, 901132, 1067130, 1126415, 1142280, 1351698, 1422840, 1802264, 2027547, 2134260, 2252830, 2703396, 3379245, 4055094, 4268520, 4505660, 5406792, 6758490, 8110188, 9011320, 10137735, 13516980, 16220376, 20275470, 27033960, 40550940, 81101880]

約数ペア:

[(1, 81101880), (2, 40550940), (3, 27033960), (4, 20275470), (5, 16220376), (6, 13516980), (8, 10137735), (9, 9011320), (10, 8110188), (12, 6758490), (15, 5406792), (18, 4505660), (19, 4268520), (20, 4055094), (24, 3379245), (30, 2703396), (36, 2252830), (38, 2134260), (40, 2027547), (45, 1802264), (57, 1422840), (60, 1351698), (71, 1142280), (72, 1126415), (76, 1067130), (90, 901132), (95, 853704), (114, 711420), (120, 675849), (142, 571140), (152, 533565), (167, 485640), (171, 474280), (180, 450566), (190, 426852), (213, 380760), (228, 355710), (284, 285570), (285, 284568), (334, 242820), (342, 237140), (355, 228456), (360, 225283), (380, 213426), (426, 190380), (456, 177855), (501, 161880), (568, 142785), (570, 142284), (639, 126920), (668, 121410), (684, 118570), (710, 114228), (760, 106713), (835, 97128), (852, 95190), (855, 94856), (1002, 80940), (1065, 76152), (1140, 71142), (1278, 63460), (1336, 60705), (1349, 60120), (1368, 59285), (1420, 57114), (1503, 53960), (1670, 48564), (1704, 47595), (1710, 47428), (2004, 40470), (2130, 38076), (2280, 35571), (2505, 32376), (2556, 31730), (2698, 30060), (2840, 28557), (3006, 26980), (3173, 25560), (3195, 25384), (3340, 24282), (3420, 23714), (4008, 20235), (4047, 20040), (4260, 19038), (5010, 16188), (5112, 15865), (5396, 15030), (6012, 13490), (6346, 12780), (6390, 12692), (6680, 12141), (6745, 12024), (6840, 11857), (7515, 10792), (8094, 10020), (8520, 9519)]