4282980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 14441280

約数和(自身を除く): 10158300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 289, 323, 340, 380, 390, 442, 494, 510, 570, 578, 646, 663, 741, 780, 867, 884, 969, 988, 1020, 1105, 1140, 1156, 1235, 1292, 1326, 1445, 1482, 1615, 1734, 1938, 2210, 2470, 2652, 2890, 2964, 3230, 3315, 3468, 3705, 3757, 3876, 4199, 4335, 4420, 4845, 4940, 5491, 5780, 6460, 6630, 7410, 7514, 8398, 8670, 9690, 10982, 11271, 12597, 13260, 14820, 15028, 16473, 16796, 17340, 18785, 19380, 20995, 21964, 22542, 25194, 27455, 32946, 37570, 41990, 45084, 50388, 54910, 56355, 62985, 65892, 71383, 75140, 82365, 83980, 109820, 112710, 125970, 142766, 164730, 214149, 225420, 251940, 285532, 329460, 356915, 428298, 713830, 856596, 1070745, 1427660, 2141490, 4282980]

約数ペア:

[(1, 4282980), (2, 2141490), (3, 1427660), (4, 1070745), (5, 856596), (6, 713830), (10, 428298), (12, 356915), (13, 329460), (15, 285532), (17, 251940), (19, 225420), (20, 214149), (26, 164730), (30, 142766), (34, 125970), (38, 112710), (39, 109820), (51, 83980), (52, 82365), (57, 75140), (60, 71383), (65, 65892), (68, 62985), (76, 56355), (78, 54910), (85, 50388), (95, 45084), (102, 41990), (114, 37570), (130, 32946), (156, 27455), (170, 25194), (190, 22542), (195, 21964), (204, 20995), (221, 19380), (228, 18785), (247, 17340), (255, 16796), (260, 16473), (285, 15028), (289, 14820), (323, 13260), (340, 12597), (380, 11271), (390, 10982), (442, 9690), (494, 8670), (510, 8398), (570, 7514), (578, 7410), (646, 6630), (663, 6460), (741, 5780), (780, 5491), (867, 4940), (884, 4845), (969, 4420), (988, 4335), (1020, 4199), (1105, 3876), (1140, 3757), (1156, 3705), (1235, 3468), (1292, 3315), (1326, 3230), (1445, 2964), (1482, 2890), (1615, 2652), (1734, 2470), (1938, 2210)]