217689840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15951

約数の個数: 120

約数和(自身を含む): 769601040

約数和(自身を除く): 551911200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 15913, 31826, 47739, 63652, 79565, 95478, 127304, 143217, 159130, 190956, 238695, 254608, 286434, 302347, 318260, 381912, 477390, 572868, 604694, 636520, 716085, 763824, 907041, 954780, 1145736, 1209388, 1273040, 1432170, 1511735, 1814082, 1909560, 2291472, 2418776, 2721123, 2864340, 3023470, 3628164, 3819120, 4535205, 4837552, 5442246, 5728680, 6046940, 7256328, 9070410, 10884492, 11457360, 12093880, 13605615, 14512656, 18140820, 21768984, 24187760, 27211230, 36281640, 43537968, 54422460, 72563280, 108844920, 217689840]

約数ペア:

[(1, 217689840), (2, 108844920), (3, 72563280), (4, 54422460), (5, 43537968), (6, 36281640), (8, 27211230), (9, 24187760), (10, 21768984), (12, 18140820), (15, 14512656), (16, 13605615), (18, 12093880), (19, 11457360), (20, 10884492), (24, 9070410), (30, 7256328), (36, 6046940), (38, 5728680), (40, 5442246), (45, 4837552), (48, 4535205), (57, 3819120), (60, 3628164), (72, 3023470), (76, 2864340), (80, 2721123), (90, 2418776), (95, 2291472), (114, 1909560), (120, 1814082), (144, 1511735), (152, 1432170), (171, 1273040), (180, 1209388), (190, 1145736), (228, 954780), (240, 907041), (285, 763824), (304, 716085), (342, 636520), (360, 604694), (380, 572868), (456, 477390), (570, 381912), (684, 318260), (720, 302347), (760, 286434), (855, 254608), (912, 238695), (1140, 190956), (1368, 159130), (1520, 143217), (1710, 127304), (2280, 95478), (2736, 79565), (3420, 63652), (4560, 47739), (6840, 31826), (13680, 15913)]