28058940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 192

約数和(自身を含む): 107627520

約数和(自身を除く): 79568580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 571, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1142, 1170, 1260, 1365, 1404, 1638, 1713, 1755, 1820, 1890, 2284, 2340, 2457, 2730, 2855, 3276, 3426, 3510, 3780, 3997, 4095, 4914, 5139, 5460, 5710, 6852, 7020, 7423, 7994, 8190, 8565, 9828, 10278, 11420, 11991, 12285, 14846, 15417, 15988, 16380, 17130, 19985, 20556, 22269, 23982, 24570, 25695, 29692, 30834, 34260, 35973, 37115, 39970, 44538, 47964, 49140, 51390, 51961, 59955, 61668, 66807, 71946, 74230, 77085, 79940, 89076, 102780, 103922, 107919, 111345, 119910, 133614, 143892, 148460, 154170, 155883, 179865, 200421, 207844, 215838, 222690, 239820, 259805, 267228, 308340, 311766, 334035, 359730, 400842, 431676, 445380, 467649, 519610, 539595, 623532, 668070, 719460, 779415, 801684, 935298, 1002105, 1039220, 1079190, 1336140, 1402947, 1558830, 1870596, 2004210, 2158380, 2338245, 2805894, 3117660, 4008420, 4676490, 5611788, 7014735, 9352980, 14029470, 28058940]

約数ペア:

[(1, 28058940), (2, 14029470), (3, 9352980), (4, 7014735), (5, 5611788), (6, 4676490), (7, 4008420), (9, 3117660), (10, 2805894), (12, 2338245), (13, 2158380), (14, 2004210), (15, 1870596), (18, 1558830), (20, 1402947), (21, 1336140), (26, 1079190), (27, 1039220), (28, 1002105), (30, 935298), (35, 801684), (36, 779415), (39, 719460), (42, 668070), (45, 623532), (52, 539595), (54, 519610), (60, 467649), (63, 445380), (65, 431676), (70, 400842), (78, 359730), (84, 334035), (90, 311766), (91, 308340), (105, 267228), (108, 259805), (117, 239820), (126, 222690), (130, 215838), (135, 207844), (140, 200421), (156, 179865), (180, 155883), (182, 154170), (189, 148460), (195, 143892), (210, 133614), (234, 119910), (252, 111345), (260, 107919), (270, 103922), (273, 102780), (315, 89076), (351, 79940), (364, 77085), (378, 74230), (390, 71946), (420, 66807), (455, 61668), (468, 59955), (540, 51961), (546, 51390), (571, 49140), (585, 47964), (630, 44538), (702, 39970), (756, 37115), (780, 35973), (819, 34260), (910, 30834), (945, 29692), (1092, 25695), (1142, 24570), (1170, 23982), (1260, 22269), (1365, 20556), (1404, 19985), (1638, 17130), (1713, 16380), (1755, 15988), (1820, 15417), (1890, 14846), (2284, 12285), (2340, 11991), (2457, 11420), (2730, 10278), (2855, 9828), (3276, 8565), (3426, 8190), (3510, 7994), (3780, 7423), (3997, 7020), (4095, 6852), (4914, 5710), (5139, 5460)]