38846720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 67114240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 89, 110, 124, 128, 155, 160, 176, 178, 220, 248, 256, 310, 320, 341, 352, 356, 440, 445, 496, 620, 640, 682, 704, 712, 880, 890, 979, 992, 1240, 1280, 1364, 1408, 1424, 1705, 1760, 1780, 1958, 1984, 2480, 2728, 2759, 2816, 2848, 3410, 3520, 3560, 3916, 3968, 4895, 4960, 5456, 5518, 5696, 6820, 7040, 7120, 7832, 7936, 9790, 9920, 10912, 11036, 11392, 13640, 13795, 14080, 14240, 15664, 19580, 19840, 21824, 22072, 22784, 27280, 27590, 28480, 30349, 31328, 39160, 39680, 43648, 44144, 54560, 55180, 56960, 60698, 62656, 78320, 87296, 88288, 109120, 110360, 113920, 121396, 125312, 151745, 156640, 176576, 218240, 220720, 242792, 250624, 303490, 313280, 353152, 436480, 441440, 485584, 606980, 626560, 706304, 882880, 971168, 1213960, 1253120, 1765760, 1942336, 2427920, 3531520, 3884672, 4855840, 7769344, 9711680, 19423360, 38846720]

約数ペア:

[(1, 38846720), (2, 19423360), (4, 9711680), (5, 7769344), (8, 4855840), (10, 3884672), (11, 3531520), (16, 2427920), (20, 1942336), (22, 1765760), (31, 1253120), (32, 1213960), (40, 971168), (44, 882880), (55, 706304), (62, 626560), (64, 606980), (80, 485584), (88, 441440), (89, 436480), (110, 353152), (124, 313280), (128, 303490), (155, 250624), (160, 242792), (176, 220720), (178, 218240), (220, 176576), (248, 156640), (256, 151745), (310, 125312), (320, 121396), (341, 113920), (352, 110360), (356, 109120), (440, 88288), (445, 87296), (496, 78320), (620, 62656), (640, 60698), (682, 56960), (704, 55180), (712, 54560), (880, 44144), (890, 43648), (979, 39680), (992, 39160), (1240, 31328), (1280, 30349), (1364, 28480), (1408, 27590), (1424, 27280), (1705, 22784), (1760, 22072), (1780, 21824), (1958, 19840), (1984, 19580), (2480, 15664), (2728, 14240), (2759, 14080), (2816, 13795), (2848, 13640), (3410, 11392), (3520, 11036), (3560, 10912), (3916, 9920), (3968, 9790), (4895, 7936), (4960, 7832), (5456, 7120), (5518, 7040), (5696, 6820)]