17840940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 54613440

約数和(自身を除く): 36772500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 257, 260, 267, 356, 390, 445, 514, 534, 771, 780, 890, 1028, 1068, 1157, 1285, 1335, 1542, 1780, 2314, 2570, 2670, 3084, 3341, 3471, 3855, 4628, 5140, 5340, 5785, 6682, 6942, 7710, 10023, 11570, 13364, 13884, 15420, 16705, 17355, 20046, 22873, 23140, 33410, 34710, 40092, 45746, 50115, 66820, 68619, 69420, 91492, 100230, 114365, 137238, 200460, 228730, 274476, 297349, 343095, 457460, 594698, 686190, 892047, 1189396, 1372380, 1486745, 1784094, 2973490, 3568188, 4460235, 5946980, 8920470, 17840940]

約数ペア:

[(1, 17840940), (2, 8920470), (3, 5946980), (4, 4460235), (5, 3568188), (6, 2973490), (10, 1784094), (12, 1486745), (13, 1372380), (15, 1189396), (20, 892047), (26, 686190), (30, 594698), (39, 457460), (52, 343095), (60, 297349), (65, 274476), (78, 228730), (89, 200460), (130, 137238), (156, 114365), (178, 100230), (195, 91492), (257, 69420), (260, 68619), (267, 66820), (356, 50115), (390, 45746), (445, 40092), (514, 34710), (534, 33410), (771, 23140), (780, 22873), (890, 20046), (1028, 17355), (1068, 16705), (1157, 15420), (1285, 13884), (1335, 13364), (1542, 11570), (1780, 10023), (2314, 7710), (2570, 6942), (2670, 6682), (3084, 5785), (3341, 5340), (3471, 5140), (3855, 4628)]