68795220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 209986560

約数和(自身を除く): 141191340

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, 260, 267, 356, 390, 445, 534, 780, 890, 991, 1068, 1157, 1335, 1780, 1982, 2314, 2670, 2973, 3471, 3964, 4628, 4955, 5340, 5785, 5946, 6942, 9910, 11570, 11892, 12883, 13884, 14865, 17355, 19820, 23140, 25766, 29730, 34710, 38649, 51532, 59460, 64415, 69420, 77298, 88199, 128830, 154596, 176398, 193245, 257660, 264597, 352796, 386490, 440995, 529194, 772980, 881990, 1058388, 1146587, 1322985, 1763980, 2293174, 2645970, 3439761, 4586348, 5291940, 5732935, 6879522, 11465870, 13759044, 17198805, 22931740, 34397610, 68795220]

約数ペア:

[(1, 68795220), (2, 34397610), (3, 22931740), (4, 17198805), (5, 13759044), (6, 11465870), (10, 6879522), (12, 5732935), (13, 5291940), (15, 4586348), (20, 3439761), (26, 2645970), (30, 2293174), (39, 1763980), (52, 1322985), (60, 1146587), (65, 1058388), (78, 881990), (89, 772980), (130, 529194), (156, 440995), (178, 386490), (195, 352796), (260, 264597), (267, 257660), (356, 193245), (390, 176398), (445, 154596), (534, 128830), (780, 88199), (890, 77298), (991, 69420), (1068, 64415), (1157, 59460), (1335, 51532), (1780, 38649), (1982, 34710), (2314, 29730), (2670, 25766), (2973, 23140), (3471, 19820), (3964, 17355), (4628, 14865), (4955, 13884), (5340, 12883), (5785, 11892), (5946, 11570), (6942, 9910)]